Sengupta JK (1987). “Efficiency Measurement in Non-Market Systems through Data Envelopment Analysis.” Int J Syst Sci 18(12): 2279-2304.

Sengupta JK (1987). “Efficiency Measurement in Non-Market Systems through Data Envelopment Analysis.” Int J Syst Sci 18(12): 2279-2304.

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